5431243155 has 64 divisors (see below), whose sum is σ = 9597450240. Its totient is φ = 2606040576.

The previous prime is 5431243141. The next prime is 5431243189. The reversal of 5431243155 is 5513421345.

It is not a de Polignac number, because 5431243155 - 2⁶ = 5431243091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2464284 + ... + 2466486.

It is an arithmetic number, because the mean of its divisors is an integer number (149960160).

Almost surely, 2^5431243155 is an apocalyptic number.

5431243155 is a deficient number, since it is larger than the sum of its proper divisors (4166207085).

5431243155 is a wasteful number, since it uses less digits than its factorization.

5431243155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540.

The product of its digits is 36000, while the sum is 33.

The square root of 5431243155 is about 73696.9684247595. The cubic root of 5431243155 is about 1757.7876768611.

The spelling of 5431243155 in words is "five billion, four hundred thirty-one million, two hundred forty-three thousand, one hundred fifty-five".